Windshield of a cab



FIG. 1 is a left side view of a windshield of a cab showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left front perspective view thereof; and,

FIG. 7 is a right front perspective view thereof.

The broken lines of the figures showing additional portions of the cab are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a windshield of a cab, as shown and described. 